/*
 * Copyright � 2002-2011 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

using AopAlliance.Aop;
using Spring.Util;

namespace Spring.Aop.Support;

/// <summary>
/// Convenient class for regular expression method pointcuts that hold an
/// <see cref="AopAlliance.Aop.IAdvice"/>, making them an
/// <see cref="Spring.Aop.IAdvisor"/>.
/// </summary>
/// <remarks>
/// <p>
/// Configure this class using the <see cref="Pattern"/> and
/// <see cref="Patterns"/> pass-through properties. These are analogous
/// to the <see cref="AbstractRegularExpressionMethodPointcut.Pattern"/> and
/// <see cref="AbstractRegularExpressionMethodPointcut.Pattern"/>s properties of the
/// <see cref="AbstractRegularExpressionMethodPointcut"/> class.
/// </p>
/// <p>
/// Can delegate to any type of regular expression pointcut. Currently only
/// pointcuts based on the regular expression classes from the .NET Base
/// Class Library are supported. The
/// <see cref="Spring.Aop.Support.DefaultPointcutAdvisor.Pointcut"/>
/// property must be a subclass of the
/// <see cref="AbstractRegularExpressionMethodPointcut"/> class.
/// </p>
/// <p>
/// This should not normally be set directly.
/// </p>
/// </remarks>
/// <author>Dmitriy Kopylenko</author>
/// <author>Rod Johnson</author>
/// <author>Simon White (.NET)</author>
/// <author>Mark Pollack (.NET)</author>
/// <see cref=" SdkRegularExpressionMethodPointcut"/>
[Serializable]
public class RegularExpressionMethodPointcutAdvisor : AbstractGenericPointcutAdvisor
{
    private AbstractRegularExpressionMethodPointcut pointcut;

    /// <summary>
    /// Creates a new instance of the <see cref="RegularExpressionMethodPointcutAdvisor"/>
    /// class.
    /// </summary>
    public RegularExpressionMethodPointcutAdvisor()
    {
        InitPointcut();
    }

    /// <summary>
    /// Creates a new instance of the <see cref="RegularExpressionMethodPointcutAdvisor"/>
    /// class for the supplied <paramref name="advice"/>.
    /// </summary><param name="advice">
    /// The target advice.
    /// </param>
    public RegularExpressionMethodPointcutAdvisor(IAdvice advice)
    {
        Advice = advice;
        InitPointcut();
    }

    /// <summary>
    /// A single pattern to be used during method evaluation.
    /// </summary>
    public string Pattern
    {
        set
        {
            AbstractRegularExpressionMethodPointcut armp = (AbstractRegularExpressionMethodPointcut) Pointcut;
            armp.Pattern = value;
        }
    }

    /// <summary>
    /// Multiple patterns to be used during method evaluation.
    /// </summary>
    public string[] Patterns
    {
        set
        {
            AbstractRegularExpressionMethodPointcut armp = (AbstractRegularExpressionMethodPointcut) Pointcut;
            armp.Patterns = value;
        }
    }

    /// <summary>
    /// The <see cref="Spring.Aop.IPointcut"/> that drives this advisor.
    /// </summary>
    public override IPointcut Pointcut
    {
        get { return pointcut; }
        set
        {
            AssertUtils.AssertArgumentType(value, "pointcut", typeof(AbstractRegularExpressionMethodPointcut),
                "Pointcut most be compatible with type AbstractRegularExpressionMethodPointuct");
            pointcut = value as AbstractRegularExpressionMethodPointcut;
        }
    }

    /// <summary>
    /// Initialises the pointcut.
    /// </summary>
    protected void InitPointcut()
    {
        pointcut = new SdkRegularExpressionMethodPointcut();
    }
}
